Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/pc/webrtcsdp.cc

 /*
  *  Copyright 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/api/webrtcsdp.h"
+#include "webrtc/pc/webrtcsdp.h"
 
 #include <ctype.h>
 #include <limits.h>
 #include <stdio.h>
 
 #include <algorithm>
 #include <memory>
 #include <string>
 #include <unordered_map>
 #include <vector>
@@ skipping 3209 matching lines @@
     UpdateCodec<AudioContentDescription, cricket::AudioCodec>(
         media_desc, payload_type, feedback_param);
   } else if (media_type == cricket::MEDIA_TYPE_VIDEO) {
     UpdateCodec<VideoContentDescription, cricket::VideoCodec>(
         media_desc, payload_type, feedback_param);
   }
   return true;
 }
 
 }  // namespace webrtc